public class bbb {
public static void main(String[] args) {
    boolean b = true;
    if(b == false) {
        System.out.println("a");
    } else if (b) {
        System.out.println("b");
    } else if (!b) {
            System.out.println("c");
    } else {
            System.out.println("d");
        }
    }
}
